3 files changed, 12 insertions, 3 deletions

diff --git a/src/bin/luarocks-admin b/src/bin/luarocks-admin
index c35e8b93..6e528cd9 100755
--- a/src/bin/luarocks-admin
+++ b/src/bin/luarocks-admin
@@ -11,5 +11,6 @@ commands = {
 commands.help = require("luarocks.help")
 commands.make_manifest = require("luarocks.make_manifest")
 commands.add = require("luarocks.add")
+commands.refresh_cache = require("luarocks.refresh_cache")
 
 command_line.run_command(...)
diff --git a/src/luarocks/add.lua b/src/luarocks/add.lua
index 11e4048b..ecfdac60 100644
--- a/src/luarocks/add.lua
+++ b/src/luarocks/add.lua
@@ -12,7 +12,7 @@ local index = require("luarocks.index")
 local fs = require("luarocks.fs")
 local cache = require("luarocks.cache")
 
-help_summary = "Add a rock or rockpec to a rocks server."
+help_summary = "Add a rock or rockspec to a rocks server."
 help_arguments = "[--to=<server>] {<rockspec>|<rock>]}"
 help = [[
 Argument may be a local rockspec or rock file.
diff --git a/src/luarocks/refresh_cache.lua b/src/luarocks/refresh_cache.lua
index 91a78a7f..5cf87380 100644
--- a/src/luarocks/refresh_cache.lua
+++ b/src/luarocks/refresh_cache.lua
@@ -5,12 +5,20 @@ local util = require("luarocks.util")
 local cfg = require("luarocks.cfg")
 local cache = require("luarocks.cache")
 
+help_summary = "Refresh local cache of a remote rocks server."
+help_arguments = "[--from=<server>]"
+help = [[
+The flag --from indicates which server to use.
+If not given, the default server set in the upload_server variable
+from the configuration file is used instead.
+]]
+
 function run(...)
    local flags = util.parse_flags(...)
-   local server = flags["to"]
+   local server = flags["from"]
    if not server then server = cfg.upload_server end
    if not server then
-      return nil, "No server specified with --to and no default configured with upload_server."
+      return nil, "No server specified with --from and no default configured with upload_server."
    end
    if cfg.upload_aliases then
       server = cfg.upload_aliases[server] or server